var agent = navigator.userAgent.toLowerCase();
var w3c = document.getElementById;
var ie = agent.indexOf("msie") != -1;
var gecko = agent.indexOf("gecko") != -1;
var opera = agent.indexOf("opera",0) != -1;
var opera = agent.indexOf("firefox",0) != -1;
var linux = agent.indexOf("linux",0) != -1;
var version = navigator.appVersion;
var fileName = new String(location.pathname);
var domainName = new String(document.domain);

var loadEvent = {
	fnList : [],
	timer : null,
	domLoadElementId : "dom-load",
	add : function(fn)
	{
		loadEvent.fnList.push(fn)
		if(loadEvent.domLoaded == undefined)
		{
			loadEvent.domLoaded=false;
			loadEvent.domLoad();
			window.onload = function()
			{
				if(document.getElementById(loadEvent.domLoadElementId) == undefined)
				{
					window.defaultStatus = "Error: domLoadElementId[\""+loadEvent.domLoadElementId+"\"] is not embeded.";
				}
			}
		}
	},
	domLoad : function()
	{
		loadEvent.timer = setInterval(function() { // doesnt work in IE/Mac
		if((document.getElementsByTagName("body")[0] != null || document.body != null) && document.getElementById(loadEvent.domLoadElementId)) {
			loadEvent.runFnList();
			clearInterval(loadEvent.timer);
		}
		}, 250);
		if (typeof document.addEventListener != "undefined") {
			document.addEventListener("DOMContentLoaded", function() { loadEvent.runFnList(); clearInterval(loadEvent.timer); } , null); // Mozilla only
		}
	},
	runFnList : function()
	{
		if(loadEvent.domLoaded) return // for Mozilla, only execute once
		loadEvent.domLoaded = true; 
		for(var i=0,fn;fn=loadEvent.fnList[i];i++)
		{
			fn();
		}
	}
}

// ===============================================================


uniqueId = 0;
function giveUniqueID()
{
	return "BRUniq"+ ++uniqueId
}


function getElementsByClassName(className,nodeElm,elmType)
{
	var elementList = [];
	var elementsByClassName = [];
	if(elmType) elementList = nodeElm.getElementsByTagName(elmType);
	else elementList = document.all || document.getElementsByTagName("*");
	for(var i=0,elm;elm=elementList[i];i++)
	{
		if(hasClassName(elm,className))
		{
			elementsByClassName.push(elm);
		}
	}
	return elementsByClassName;
}


function hasClassName(elm,className)
{
	var re = RegExp("(^|\\s)"+className+"(\\s|$)");
	return re.test(elm.className);
}

function getNextSibling(elm){
	nextElm=elm.nextSibling;
	while(nextElm.nodeType!=1){
		nextElm = nextElm.nextSibling;
	}
	return nextElm;
}

function getPreviousSibling(elm){
	previousElm=elm.previousSibling;
	while(previousElm.nodeType!=1){
		previousElm = previousElm.nextSibling;
	}
	return previousElm;
}

function flashDetect()
{
	var flashinstalled = 0;
	var flashversion = 0;
	MSDetect = "false";
	if (navigator.plugins && navigator.plugins.length)
	{
		x = navigator.plugins["Shockwave Flash"];
		if (x)
		{
			flashinstalled = 2;
			if (x.description)
			{
				y = x.description;
				flashversion = y.charAt(y.indexOf('.')-1);
			}
		}
		else
			flashinstalled = 1;
		if (navigator.plugins["Shockwave Flash 2.0"])
		{
			flashinstalled = 2;
			flashversion = 2;
		}
	}
	else if (navigator.mimeTypes && navigator.mimeTypes.length)
	{
		x = navigator.mimeTypes['application/x-shockwave-flash'];
		if (x && x.enabledPlugin)
			flashinstalled = 2;
		else
			flashinstalled = 1;
	}
	else
		MSDetect = "true";

	
	// IE flash detection.
	if(ie)
	{
		for(var i=7; i>0; i--){
			flashversion = 0;
			try{
				var flash = new ActiveXObject("ShockwaveFlash.ShockwaveFlash." + i);
				flashversion = i;
				break;
			}
			catch(e){
			}
		}
	}
	return flashversion;
}